Expert .NET Engineer

Ciklum is looking for a Expert .NET Engineer to join our team full-time in Ukraine. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Expert .NET Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. The company is a fast-growing, profitable, well-funded, and dynamic global payments company. The companies offices are located in Israel, New York and more. It serves thousands of corporates and millions of end users (payment recipients) in over 200 countries. Their R&D organization holds over 500 workers (Developers,DBA, IT, Professional services/production support). R&D teams are operating in SCRUM methodology, with a product manager involved in each team. Responsibilities: Back-end development to meet customers’ business needs and implement components according to a modern software development environment (microservice architecture) Taking part in the decision-making process in design application architecture, solution development, architecture, and code review Develop and review feature design documents and provide inputs/update to specifications for the solution Design and implement a set of various types of tests (unit, integration, functional, etc) Proactive position in solution development, process improvements Working in an international distributed team in an Agile environment Communicate with PMs, engineers, architects, and other colleagues and stakeholders Delivering the product roadmap and planning To use high coding standards, software best practices, and write highly testable, automatable, and performant code over the whole SDLC Requirements: Engineering Principles: Clean Code, OOP/OOD, SOLID, DDD, TDD/BDD, Design & Security Patterns (OWASP), Algorithms & Data Structures Databases & Caching: RDBMS (SQL Server, MySQL, PostgreSQL), NoSQL (MongoDB, ElasticSearch), Redis Architecture & Networks: Microservices, REST/RPC APIs, Web Servers, Auth (OAuth, JWT), Messaging (RabbitMQ, Kafka, AWS SQS, Azure ServiceBus) Core Tech Stack: C#, .NET (Core/Framework, ASP.NET, MVC, Web API), ORMs (EF Core, Dapper) DevOps & Cloud: AWS/Cloud, Kubernetes, CI/CD (GitLab, Jenkins, Azure DevOps), Git Testing & Quality: NUnit/XUnit/MSTest, Profiling, Debugging, Code Reviews, Refactoring, Monitoring (Kibana, Grafana, Dynatrace) Delivery & Innovation: Agile, AI Tool Building, Architecture Design Desirable: Deployment Patterns, 3rd-party integrations, SonarQube What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. #LI-NV1